Objective:To Construct a prokaryotic expression vector of cystatin C(Cys C)to provide a basis of purify Cys C protein produced by the expression system.Methods:Total RNA was isolated from HL-60 cells,and human Cys C gene was amplified with RT-PCR.The cDNA fragment was cloned into pET32a(+)vector,which was confirmed with sequencing and electrophoresis.Results:The result of electrophoresis showed that Cys C had been cloned into pET32a(+)vector,and the result of.DNA sequence analysis also showed the cloned Cys C gene sequence was completely correspondent to GeneBank data.Conclusion:The prokaryotic expression vector of cystatin C(Cys C)was obtained,providing a basis of purification of Cys C protein produced by the expression system.

Objective To set a RFID(Radio Frequency Identification) system for Gold Immunochromatographic Assay by using RFID-reading module,RFID tags and the master-MCU.Methods Radio frequency technology is characterized by the automatic identification and large dada-storage capacity.Electronic tags were packed with Gold Immunochromatographic Assay(GICA) strips and such data were stored in electronic tags as strip information,the test results,the identity of the tested,the test date,etc.The information were transmitted to PC through the RS-232 serial port,thus realizing the rapid and accurate recording and management of data.Results The application of RFID guaranteed the proper use of Gold Immunochromatographic Assay strips and improved the efficiency of sample management and data storage.Conclusion The application of RFID to Gold Immunochromatographic Assay can be used in general investigation of epidemic situation,biomedical detection and other relevant fields.

Iatrogenic injury in choledocho-pancreatico-duodenal junction is usually difficult to discover in the course of operation because of its unique anatomical position. The injury can lead to postoperative chilis, fever, pain and swelling of the waist, which would easily be misdiagnosed as acute necrotizing pancreatitis. Controlling operations, such as bile and pancreatic juice separation, duodenal diverticularization, jejunal fistulation for enteral nutrition and abdominal drainage should be performed in dealing with the injury in choledocho-pancreatico-duodenal junction. Combined application of pyloric suture with absorbable thread and ligatian, gastric fistulation, ligation of the distal common bile duct and T-tube drainage is minimally invasive, and can fulfill a fully separation of bile and pancreatic juice and duodenal diverticularization. It will improve the possibility of secondary radical operation by ameliorating pyemia and general nutritional condition.

Objective:To study the nutritional therapy of GDM and IGT.Methods:50 g glucose challenge test was done 610 in patients at examination in our hospital.The oral glucose tolerance test(OGTT)was performed in glucose challenge test positive patients to diagnose GDM and IGT.The blood glucose of fasting and postprandial 2h,perinatal mortality,incidence of large neonates were observed after treatment with nutrition in the GDM and IGT patients.Results:There were 15 cases of GDM and 61cases of IGT during the 140 cases of GCT positive patients.After nutritional therapy,the GDM's fasting and postprandial 2 h blood glucose decreased significantly(P

Objective: To study the effect of acute hypoxia with simulated high altitude on the expression of orexins in rats hypothalamus. Methods: Rats were exposed to different high altitude(3 000 m,(4 000) m,5 000 m and 6 000 m for 8 h daily) in a hypobaric chamber.The expression of orexins in rat hypothalamus was determined by immunohistochemistry and the pathology changes of rat hypothalamus was observed with transelectricity. Results: The number of orexin-A immunoreactive positive cells in hypothalamus decreased obviously with hypoxia for 1 day(P

Objective To study the dinical value of serum soluble E-selectin(sE-selectin)and serum soluble P-selectin(sp-selectin)in patients with esophageal squamous cell carcinoma. MethodsThe sP-selectin and sP-selectin of the serum was measured by ELISA in 27 patients with viral encephalitis and 35 normal persons. ResultsIn patients with organ metastasissE-selectin and sP-selectin levels were significantly higher than normal(P＜0.01),In patients with organ metastasis,sE-selectin and sP-selectin levels increased more pronounced.No visceral metastasis in patients with esophageal cancer,postoperative serum sE-selectin and sP-selectin levels significantly decreased compared with the preoperative(P＜0.01),there are organ metastasis in patients with esophageal cancer sE-selectin and sP-selectin levels decreased not obvious. ConclusionsE-selectin and sP-selectin could be used as a new tumor detection of esophageal cancer targets,and has close relatimship with the incidence of esophageal cancer,development and metastasis.

The pathogenesis of ulcerative colitis (UC) is spleen-stomach weakness with dampness. Therefore, Qu-Shi (QS, eliminating dampness) is the main treatment principle. According to different pathogens, four QS methods in the UC treatment were summarized based on clinical experiences. In the clinic , the application of heat-clearing and dampness-eliminating, warm yang and dampness-eliminating, dampness-eliminating with bitter and pungent, spleen-reinforcing and dampness-eliminating. The indications should be identified for the application of principle-method-prescription-medicine. The flexible application of four methods mentioned above can increase the clinical efficacy.

OBJECTIVE: To investigate the protective immunity in mice immunized with rEg.EF-1 and its potential as vaccine candidate.METHODS: ICR mice were subcutaneously immunized with rEg.EF-1 for three times(with an interval of 2 weeks) and challenged with Eg 2 weeks after the completion the immunization,sacrificed at 20 weeks after infection with Eg.The rate of reduced hydatid cyst and the levels of IgE,IgG and IgG subclasses in sera were examined by enzyme linked immunosorbent assay,with adjuvant group as control.RESULTS: As compared with adjuvant group,the immunoprotection ability(rate of reduced hydatid cyst) in rEg.EF-1 group was 85.6%;The levels of IgG,IgG1 and IgG2a in mice immunized with rEg.EF-1 significantly increased(P0.05),and no significant difference was noted in IgG3 and IgE levels.CONCLUSIONS: The rEg.EF-1 antigen could induce certain immunoprotection,suggesting the potential of rEg.EF-1 as an vaccine candidate.

Hepatitis B associated with glomerulonephritis (HB-GN) has been increasing year after yea-r Tehispaper reports 24 cases of HE-GN treated between 1979 and 1984 whose clinical manifesta tion(?)the laboratory data confirmed the diagnosis. Our observations show that HB is mor often associated with extrahepatic lesions, sometimes appearing as the initial disorder or syndrome, including glomerulonephritis, carditis, arthritins, gastrocntentis and/or serum sickness, etc. HB-GN is also a kind of immune complex GN, whose pathogenesis is usually associatede with chronic active hepatitis, especially a decrease in the immune function of the Patient. Complex treatment, including liver Protection and immune stimulant treatment (blood and/or Plasma transfusion, thymosin, or levamisole)could give a better therapeutic effect.

OBJECTIVE: To remind the concerned party of the importance of safe and rational use of drugs and the reevaluation of drugs after they have been put into market. METHODS: To analyze the occurring process and the treatment of six death/disability cases related to adverse drug reactions in Ningxia area as well as the problems existed in the management on safe drug use and the solutions. RESULTS & CONCLUSIONS: Management on safe drug use should be reinforced within the system of health and drug administration, and great importance should be attached to the reevaluation of drugs after they have been put into market to ensure safe and rational drug use.